Définitions
1.NounThe bulb-shaped underground portion of a plant such as a tulip, consisting of a shortened stem and many fleshy scale leaves, from which the rest of the plant may be regrown.
2.NounThe medulla oblongata.
3.NounAny solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end."the bulb of the aorta; an incandescent bulb; an LED bulb; a fluorescent tube bulb"
4.NounA light bulb (not necessarily bulbous in shape)."an incandescent bulb; an LED bulb; a fluorescent tube bulb"
5.NounA bulbous protuberance at the forefoot of certain vessels to reduce turbulence.
6.NounAn onion.
7.VerbTo take the shape of a bulb; to swell.